Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{AM2_1975__12_136498, author = {A.B. Buche}, title = {On an {Exponential-Cosine} {Operator-Valued} {Functional} {Equation.} {(Short} {Communication).}}, journal = {Aequationes mathematicae}, pages = {117--117}, publisher = {mathdoc}, volume = {12}, year = {1975}, zbl = {0334.39002}, url = {http://geodesic.mathdoc.fr/item/AM2_1975__12_136498/} }
A.B. Buche. On an Exponential-Cosine Operator-Valued Functional Equation. (Short Communication).. Aequationes mathematicae, Tome 12 (1975), p. 117. http://geodesic.mathdoc.fr/item/AM2_1975__12_136498/